(19)

(11)

EP 1 488 670 A1

(12)

(43) Date of publication: 22.12.2004 Bulletin 2004/52 (21) Application number: 03716373.0 (22) Date of filing: 07.03.2003

(51) International Patent Classification (IPC)7: H05K 3/30, H01L 23/02 (86) International application number: PCT/US2003/007017 (87) International publication number: WO 2003/077621 (18.09.2003 Gazette 2003/38)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PT RO SE SI SK TR Designated Extension States: AL LT LV MK (30) Priority: 07.03.2002 US 92459 (71) Applicant: Kulicke and Soffa Investments, Inc. Wilmington, DE 19808 (DE)	(72) Inventor: RUTISER, Claire Willow Grove, PA 19090 (US) (74) Representative: Harrison Goddard Foote  Orlando House11c Compstall RoadMarple Bridge Stockport SK6 5HH Stockport SK6 5HH (GB)